w3m

commit 5c617182b79c0f9a812c078577d0dff5a39cc1a9
parent 017ff1d84be4efb0505563e71ef8922ad128f331
Author: ukai <ukai>
Date:   Fri, 22 Nov 2002 15:56:43 +0000

[w3m-dev 03464] Re: case insensitive regexp search
  (rewrite [w3m-dev 03462] by Hiroyuki Ito <hito@crl.go.jp>)
* regex.c (matchWhich): add int
	(newRegex0): igncase
	(regmatch1): matchWhich with re->mode & RE_IGNCASE
	(matchWhich): add igncase
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

Diffstat:
M
ChangeLog
 | 
9
+++++++++
M
regex.c
 | 
21
+++++++++++++++++----

2 files changed, 26 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -1,5 +1,14 @@
 2002-11-23  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
 
+	* [w3m-dev 03464] Re: case insensitive regexp search
+	  (rewrite [w3m-dev 03462] by Hiroyuki Ito <hito@crl.go.jp>)
+	* regex.c (matchWhich): add int
+		(newRegex0): igncase
+		(regmatch1): matchWhich with re->mode & RE_IGNCASE
+		(matchWhich): add igncase
+
+2002-11-23  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
 	* [w3m-dev 03459] background download when external viewer
 	* etc.c (myExec): added
 		(mySystem): rewrite to use myExec()
diff --git a/regex.c b/regex.c
@@ -68,7 +68,7 @@ static Regex DefaultRegex;
 
 static int regmatch(regexchar *, char *, char *, int, char **);
 static int regmatch1(regexchar *, longchar);
-static int matchWhich(longchar *, longchar);
+static int matchWhich(longchar *, longchar, int);
 
 /* 
  * regexCompile: compile regular expression
@@ -190,6 +190,8 @@ newRegex0(char **ex, int igncase, Regex *regex, char **msg, int level)
 	    *(st_ptr++) = '\0';
 	    re->p.pattern = r;
 	    RE_SET_MODE(re, m);
+	    if (igncase)
+		re->mode |= RE_IGNCASE;
 	    re++;
 	    break;
 	case '|':
@@ -634,15 +636,15 @@ regmatch1(regexchar * re, longchar c)
 	else
 	    return (*re->p.pattern == c);
     case RE_WHICH:
-	return matchWhich(re->p.pattern, c);
+	return matchWhich(re->p.pattern, c, re->mode & RE_IGNCASE);
     case RE_EXCEPT:
-	return !matchWhich(re->p.pattern, c);
+	return !matchWhich(re->p.pattern, c, re->mode & RE_IGNCASE);
     }
     return 0;
 }
 
 static int
-matchWhich(longchar * pattern, longchar c)
+matchWhich(longchar * pattern, longchar c, int igncase)
 {
     longchar *p = pattern;
     int ans = 0;
@@ -657,6 +659,12 @@ matchWhich(longchar * pattern, longchar c)
 		ans = 1;
 		break;
 	    }
+	    else if (igncase && c < 127 && IS_ALPHA(c) && 
+		     ((*p <= c && tolower(c) <= *(p + 2)) ||
+		      (*p <= c && toupper(c) <= *(p + 2)))) {
+		ans = 1;
+		break;
+	    }
 	    p += 3;
 	}
 	else {
@@ -664,6 +672,11 @@ matchWhich(longchar * pattern, longchar c)
 		ans = 1;
 		break;
 	    }
+	    else if (igncase && c < 127 && IS_ALPHA(c) && 
+		     (*p == tolower(c) || *p == toupper(c))) {
+		ans = 1;
+		break;
+	    }
 	    p++;
 	}
     }